Vem Busão is a free Android application designed for travelers in Belém, Brazil. The app allows users to check real-time bus arrival predictions at nearby stops, enhancing the convenience of public transportation planning. By leveraging GPS technology, users can easily identify the closest bus stops or enter an address to find nearby options. The app displays various bus lines serving the selected stop along with their anticipated arrival times.

In addition to real-time tracking, Vem Busão offers a map view that outlines the bus routes and their estimated arrival at the user's chosen stop. The app also includes a news feature, providing updates related to the city. However, it is important to note that the accuracy of the real-time information is dependent on data transmitted by the buses via mobile network coverage, which may occasionally affect performance.